145412522032154 has 8 divisors (see below), whose sum is σ = 234897150975060. Its totient is φ = 67113471707136.

The previous prime is 145412522032123. The next prime is 145412522032157. The reversal of 145412522032154 is 451230225214541.

It can be written as a sum of positive squares in 2 ways, for example, as 142959924862225 + 2452597169929 = 11956585^2 + 1566077^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×145412522032154² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145412522032157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2796394654439 + ... + 2796394654490.

Almost surely, 2^{145412522032154} is an apocalyptic number.

145412522032154 is a deficient number, since it is larger than the sum of its proper divisors (89484628942906).

145412522032154 is a wasteful number, since it uses less digits than its factorization.

145412522032154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5592789308944.

The product of its (nonzero) digits is 384000, while the sum is 41.

Adding to 145412522032154 its reverse (451230225214541), we get a palindrome (596642747246695).

The spelling of 145412522032154 in words is "one hundred forty-five trillion, four hundred twelve billion, five hundred twenty-two million, thirty-two thousand, one hundred fifty-four".