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145435545 = 32513124671
BaseRepresentation
bin10001010101100…
…10101110011001
3101010122220001200
420222302232121
5244212414140
622233104413
73414116223
oct1052625631
9333586050
10145435545
1175104972
1240858109
1324191448
141545b413
15cb7c030
hex8ab2b99

145435545 has 24 divisors (see below), whose sum is σ = 254022912. Its totient is φ = 76970400.

The previous prime is 145435517. The next prime is 145435573. The reversal of 145435545 is 545534541.

145435545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (145435517) and next prime (145435573).

It is not a de Polignac number, because 145435545 - 25 = 145435513 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6441 + ... + 18230.

It is an arithmetic number, because the mean of its divisors is an integer number (10584288).

Almost surely, 2145435545 is an apocalyptic number.

145435545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145435545 is a deficient number, since it is larger than the sum of its proper divisors (108587367).

145435545 is a wasteful number, since it uses less digits than its factorization.

145435545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24813 (or 24810 counting only the distinct ones).

The product of its digits is 120000, while the sum is 36.

The square root of 145435545 is about 12059.6660401522. Note that the first 3 decimals coincide. The cubic root of 145435545 is about 525.8842784458.

The spelling of 145435545 in words is "one hundred forty-five million, four hundred thirty-five thousand, five hundred forty-five".

Divisors: 1 3 5 9 15 45 131 393 655 1179 1965 5895 24671 74013 123355 222039 370065 1110195 3231901 9695703 16159505 29087109 48478515 145435545