70145526 has 32 divisors (see below), whose sum is σ = 156307968. Its totient is φ = 20803040.

The previous prime is 70145521. The next prime is 70145557. The reversal of 70145526 is 62554107.

It is a junction number, because it is equal to n+sod(n) for n = 70145493 and 70145502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70145521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8205 + ... + 14408.

It is an arithmetic number, because the mean of its divisors is an integer number (4884624).

Almost surely, 2^70145526 is an apocalyptic number.

70145526 is an abundant number, since it is smaller than the sum of its proper divisors (86162442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70145526 is a wasteful number, since it uses less digits than its factorization.

70145526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22676.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 70145526 is about 8375.2925919039. The cubic root of 70145526 is about 412.4139295169.

The spelling of 70145526 in words is "seventy million, one hundred forty-five thousand, five hundred twenty-six".