1145057521902 has 32 divisors (see below), whose sum is σ = 2618237184000. Its totient is φ = 327038935968.

The previous prime is 1145057521873. The next prime is 1145057521913. The reversal of 1145057521902 is 2091257505411.

It is a super-2 number, since 2×1145057521902² (a number of 25 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4899277 + ... + 5127672.

It is an arithmetic number, because the mean of its divisors is an integer number (81819912000).

Almost surely, 2^{1145057521902} is an apocalyptic number.

1145057521902 is an abundant number, since it is smaller than the sum of its proper divisors (1473179662098).

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

1145057521902 is a wasteful number, since it uses less digits than its factorization.

1145057521902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10029680.

The product of its (nonzero) digits is 126000, while the sum is 42.

The spelling of 1145057521902 in words is "one trillion, one hundred forty-five billion, fifty-seven million, five hundred twenty-one thousand, nine hundred two".