45138612270 has 16 divisors (see below), whose sum is σ = 108332669520. Its totient is φ = 12036963264.

The previous prime is 45138612269. The next prime is 45138612287. The reversal of 45138612270 is 7221683154.

It is a super-2 number, since 2×45138612270² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 752310175 + ... + 752310234.

It is an arithmetic number, because the mean of its divisors is an integer number (6770791845).

Almost surely, 2^45138612270 is an apocalyptic number.

45138612270 is an abundant number, since it is smaller than the sum of its proper divisors (63194057250).

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

45138612270 is a wasteful number, since it uses less digits than its factorization.

45138612270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1504620419.

The product of its (nonzero) digits is 80640, while the sum is 39.

The spelling of 45138612270 in words is "forty-five billion, one hundred thirty-eight million, six hundred twelve thousand, two hundred seventy".