151420117542 has 32 divisors (see below), whose sum is σ = 303552271872. Its totient is φ = 50354763264.

The previous prime is 151420117523. The next prime is 151420117547. The reversal of 151420117542 is 245711024151.

It is a super-2 number, since 2×151420117542² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151420117547) 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, 14508358 + ... + 14518790.

It is an arithmetic number, because the mean of its divisors is an integer number (9486008496).

Almost surely, 2^151420117542 is an apocalyptic number.

151420117542 is an abundant number, since it is smaller than the sum of its proper divisors (152132154330).

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

151420117542 is a wasteful number, since it uses less digits than its factorization.

151420117542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15892.

The product of its (nonzero) digits is 11200, while the sum is 33.

The spelling of 151420117542 in words is "one hundred fifty-one billion, four hundred twenty million, one hundred seventeen thousand, five hundred forty-two".