1025154045 has 24 divisors (see below), whose sum is σ = 1854193536. Its totient is φ = 522976608.

The previous prime is 1025154023. The next prime is 1025154061. The reversal of 1025154045 is 5404515201.

1025154045 is a `hidden beast` number, since 1 + 0 + 251 + 5 + 404 + 5 = 666.

It is not a de Polignac number, because 1025154045 - 2⁶ = 1025153981 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 494209 + ... + 496278.

It is an arithmetic number, because the mean of its divisors is an integer number (77258064).

Almost surely, 2^1025154045 is an apocalyptic number.

1025154045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1025154045 is a deficient number, since it is larger than the sum of its proper divisors (829039491).

1025154045 is a wasteful number, since it uses less digits than its factorization.

1025154045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990521 (or 990518 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 1025154045 is about 32018.0268754962. The cubic root of 1025154045 is about 1008.3153450486.

Adding to 1025154045 its reverse (5404515201), we get a palindrome (6429669246).

The spelling of 1025154045 in words is "one billion, twenty-five million, one hundred fifty-four thousand, forty-five".