70152545 has 4 divisors (see below), whose sum is σ = 84183060. Its totient is φ = 56122032.

The previous prime is 70152539. The next prime is 70152569. The reversal of 70152545 is 54525107.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7441984 + 62710561 = 2728^2 + 7919^2 .

It is a cyclic number.

It is not a de Polignac number, because 70152545 - 2⁸ = 70152289 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7015250 + ... + 7015259.

It is an arithmetic number, because the mean of its divisors is an integer number (21045765).

Almost surely, 2^70152545 is an apocalyptic number.

It is an amenable number.

70152545 is a deficient number, since it is larger than the sum of its proper divisors (14030515).

70152545 is a wasteful number, since it uses less digits than its factorization.

70152545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14030514.

The product of its (nonzero) digits is 7000, while the sum is 29.

The square root of 70152545 is about 8375.7116115587. The cubic root of 70152545 is about 412.4276849051.

The spelling of 70152545 in words is "seventy million, one hundred fifty-two thousand, five hundred forty-five".