155151505235454 has 64 divisors (see below), whose sum is σ = 381914012841984. Its totient is φ = 40918798089216.

The previous prime is 155151505235453. The next prime is 155151505235477. The reversal of 155151505235454 is 454532505151551.

It is a super-2 number, since 2×155151505235454² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 155151505235397 and 155151505235406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155151505235453) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85933102 + ... + 87720014.

It is an arithmetic number, because the mean of its divisors is an integer number (5967406450656).

Almost surely, 2^{155151505235454} is an apocalyptic number.

155151505235454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

155151505235454 is an abundant number, since it is smaller than the sum of its proper divisors (226762507606530).

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

155151505235454 is a wasteful number, since it uses less digits than its factorization.

155151505235454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1945961.

The product of its (nonzero) digits is 7500000, while the sum is 51.

The spelling of 155151505235454 in words is "one hundred fifty-five trillion, one hundred fifty-one billion, five hundred five million, two hundred thirty-five thousand, four hundred fifty-four".