1045458590 has 32 divisors (see below), whose sum is σ = 2102980320. Its totient is φ = 370892800.

The previous prime is 1045458581. The next prime is 1045458593. The reversal of 1045458590 is 958545401.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045458593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111395 + ... + 120414.

It is an arithmetic number, because the mean of its divisors is an integer number (65718135).

Almost surely, 2^1045458590 is an apocalyptic number.

1045458590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1045458590 is an abundant number, since it is smaller than the sum of its proper divisors (1057521730).

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

1045458590 is a wasteful number, since it uses less digits than its factorization.

1045458590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231868.

The product of its (nonzero) digits is 144000, while the sum is 41.

The square root of 1045458590 is about 32333.5520782979. The cubic root of 1045458590 is about 1014.9288827197.

It can be divided in two parts, 104 and 5458590, that multiplied together give a triangular number (567693360 = T₃₃₆₉₅).

The spelling of 1045458590 in words is "one billion, forty-five million, four hundred fifty-eight thousand, five hundred ninety".