1045591958 has 16 divisors (see below), whose sum is σ = 1582377984. Its totient is φ = 518143080.

The previous prime is 1045591957. The next prime is 1045591961. The reversal of 1045591958 is 8591955401.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045591957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251291 + ... + 255417.

It is an arithmetic number, because the mean of its divisors is an integer number (98898624).

Almost surely, 2^1045591958 is an apocalyptic number.

1045591958 is a deficient number, since it is larger than the sum of its proper divisors (536786026).

1045591958 is a wasteful number, since it uses less digits than its factorization.

1045591958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5227.

The product of its (nonzero) digits is 324000, while the sum is 47.

The square root of 1045591958 is about 32335.6143903282. The cubic root of 1045591958 is about 1014.9720386709.

The spelling of 1045591958 in words is "one billion, forty-five million, five hundred ninety-one thousand, nine hundred fifty-eight".