145638880846 has 16 divisors (see below), whose sum is σ = 226008759600. Its totient is φ = 70303014208.

The previous prime is 145638880837. The next prime is 145638880861. The reversal of 145638880846 is 648088836541.

It is a super-2 number, since 2×145638880846² (a number of 23 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, 722901 + ... + 902143.

It is an arithmetic number, because the mean of its divisors is an integer number (14125547475).

Almost surely, 2^145638880846 is an apocalyptic number.

145638880846 is a deficient number, since it is larger than the sum of its proper divisors (80369878754).

145638880846 is a wasteful number, since it uses less digits than its factorization.

145638880846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193283.

The product of its (nonzero) digits is 35389440, while the sum is 61.

The spelling of 145638880846 in words is "one hundred forty-five billion, six hundred thirty-eight million, eight hundred eighty thousand, eight hundred forty-six".