1045400555 has 32 divisors (see below), whose sum is σ = 1333463040. Its totient is φ = 785473920.

The previous prime is 1045400471. The next prime is 1045400561. The reversal of 1045400555 is 5550045401.

It is a happy number.

It is not a de Polignac number, because 1045400555 - 2⁸ = 1045400299 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1437602 + ... + 1438328.

It is an arithmetic number, because the mean of its divisors is an integer number (41670720).

Almost surely, 2^1045400555 is an apocalyptic number.

1045400555 is a deficient number, since it is larger than the sum of its proper divisors (288062485).

1045400555 is a wasteful number, since it uses less digits than its factorization.

1045400555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019.

The product of its (nonzero) digits is 10000, while the sum is 29.

The square root of 1045400555 is about 32332.6546234608. The cubic root of 1045400555 is about 1014.9101022891.

Adding to 1045400555 its reverse (5550045401), we get a palindrome (6595445956).

The spelling of 1045400555 in words is "one billion, forty-five million, four hundred thousand, five hundred fifty-five".