154850717442 has 32 divisors (see below), whose sum is σ = 310545285120. Its totient is φ = 51476348880.

The previous prime is 154850717407. The next prime is 154850717449. The reversal of 154850717442 is 244717058451.

It is a junction number, because it is equal to n+sod(n) for n = 154850717391 and 154850717400.

It is not an unprimeable number, because it can be changed into a prime (154850717449) 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, 8999067 + ... + 9016257.

It is an arithmetic number, because the mean of its divisors is an integer number (9704540160).

Almost surely, 2^154850717442 is an apocalyptic number.

154850717442 is an abundant number, since it is smaller than the sum of its proper divisors (155694567678).

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

154850717442 is a wasteful number, since it uses less digits than its factorization.

154850717442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21198.

The product of its (nonzero) digits is 1254400, while the sum is 48.

The spelling of 154850717442 in words is "one hundred fifty-four billion, eight hundred fifty million, seven hundred seventeen thousand, four hundred forty-two".