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145350455 = 5231263917
BaseRepresentation
bin10001010100111…
…01111100110111
3101010111120100012
420222131330313
5244202203310
622231210435
73413313155
oct1052357467
9333446305
10145350455
1175056a48
1240816a1b
13241617b3
14154383d5
15cb61c05
hex8a9df37

145350455 has 8 divisors (see below), whose sum is σ = 182004192. Its totient is φ = 111224608.

The previous prime is 145350451. The next prime is 145350463. The reversal of 145350455 is 554053541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145350455 - 22 = 145350451 is a prime.

It is a super-2 number, since 2×1453504552 = 42253509537414050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145350451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 631844 + ... + 632073.

It is an arithmetic number, because the mean of its divisors is an integer number (22750524).

Almost surely, 2145350455 is an apocalyptic number.

145350455 is a deficient number, since it is larger than the sum of its proper divisors (36653737).

145350455 is a wasteful number, since it uses less digits than its factorization.

145350455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263945.

The product of its (nonzero) digits is 30000, while the sum is 32.

The square root of 145350455 is about 12056.1376485175. The cubic root of 145350455 is about 525.7816987018.

The spelling of 145350455 in words is "one hundred forty-five million, three hundred fifty thousand, four hundred fifty-five".

Divisors: 1 5 23 115 1263917 6319585 29070091 145350455