1445135154 has 8 divisors (see below), whose sum is σ = 2890270320. Its totient is φ = 481711716.

The previous prime is 1445135147. The next prime is 1445135177. The reversal of 1445135154 is 4515315441.

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

1445135154 is an admirable number.

It is a super-2 number, since 2×1445135154² = 4176831226653207432, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120427924 + ... + 120427935.

It is an arithmetic number, because the mean of its divisors is an integer number (361283790).

Almost surely, 2^1445135154 is an apocalyptic number.

1445135154 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1445135154 is a wasteful number, since it uses less digits than its factorization.

1445135154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240855864.

The product of its digits is 24000, while the sum is 33.

The square root of 1445135154 is about 38014.9333025852. The cubic root of 1445135154 is about 1130.5839657912.

The spelling of 1445135154 in words is "one billion, four hundred forty-five million, one hundred thirty-five thousand, one hundred fifty-four".