1002551145 has 16 divisors (see below), whose sum is σ = 1605194880. Its totient is φ = 534322944.

The previous prime is 1002551101. The next prime is 1002551167. The reversal of 1002551145 is 5411552001.

It is not a de Polignac number, because 1002551145 - 2⁸ = 1002550889 is a prime.

It is a super-2 number, since 2×1002551145² = 2010217596681622050, 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 15 ways as a sum of consecutive naturals, for example, 109 + ... + 44778.

It is an arithmetic number, because the mean of its divisors is an integer number (100324680).

Almost surely, 2^1002551145 is an apocalyptic number.

1002551145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1002551145 is a deficient number, since it is larger than the sum of its proper divisors (602643735).

1002551145 is a wasteful number, since it uses less digits than its factorization.

1002551145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46384.

The product of its (nonzero) digits is 1000, while the sum is 24.

The square root of 1002551145 is about 31663.0880521784. The cubic root of 1002551145 is about 1000.8496595409.

The spelling of 1002551145 in words is "one billion, two million, five hundred fifty-one thousand, one hundred forty-five".