2257150171542 has 32 divisors (see below), whose sum is σ = 5159348054784. Its totient is φ = 644881591200.

The previous prime is 2257150171541. The next prime is 2257150171543. The reversal of 2257150171542 is 2451710517522.

It is an interprime number because it is at equal distance from previous prime (2257150171541) and next prime (2257150171543).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 2257150171494 and 2257150171503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2257150171541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 751192 + ... + 2253572.

It is an arithmetic number, because the mean of its divisors is an integer number (161229626712).

Almost surely, 2^{2257150171542} is an apocalyptic number.

It is a pronic number, being equal to 1502381×1502382.

2257150171542 is an abundant number, since it is smaller than the sum of its proper divisors (2902197883242).

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

2257150171542 is a wasteful number, since it uses less digits than its factorization.

2257150171542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1538164.

The product of its (nonzero) digits is 196000, while the sum is 42.

The spelling of 2257150171542 in words is "two trillion, two hundred fifty-seven billion, one hundred fifty million, one hundred seventy-one thousand, five hundred forty-two".