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145041545 = 5112637119
BaseRepresentation
bin10001010010100…
…10100010001001
3101002220212121002
420221102202021
5244112312140
622220424345
73410555435
oct1051224211
9332825532
10145041545
1174965950
12406a80b5
1324083ccc
14153979c5
15cb00415
hex8a52889

145041545 has 8 divisors (see below), whose sum is σ = 189872640. Its totient is φ = 105484720.

The previous prime is 145041541. The next prime is 145041553. The reversal of 145041545 is 545140541.

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

It is not a de Polignac number, because 145041545 - 22 = 145041541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145041541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1318505 + ... + 1318614.

It is an arithmetic number, because the mean of its divisors is an integer number (23734080).

Almost surely, 2145041545 is an apocalyptic number.

It is an amenable number.

145041545 is a deficient number, since it is larger than the sum of its proper divisors (44831095).

145041545 is a wasteful number, since it uses less digits than its factorization.

145041545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2637135.

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 145041545 is about 12043.3195174752. The cubic root of 145041545 is about 525.4089572416.

The spelling of 145041545 in words is "one hundred forty-five million, forty-one thousand, five hundred forty-five".

Divisors: 1 5 11 55 2637119 13185595 29008309 145041545