1499621045 has 16 divisors (see below), whose sum is σ = 2022233472. Its totient is φ = 1059263040.

The previous prime is 1499621023. The next prime is 1499621083. The reversal of 1499621045 is 5401269941.

It is not a de Polignac number, because 1499621045 - 2¹⁶ = 1499555509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1499620993 and 1499621011.

It is a congruent 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, 500051 + ... + 503040.

It is an arithmetic number, because the mean of its divisors is an integer number (126389592).

Almost surely, 2^1499621045 is an apocalyptic number.

It is an amenable number.

1499621045 is a deficient number, since it is larger than the sum of its proper divisors (522612427).

1499621045 is a wasteful number, since it uses less digits than its factorization.

1499621045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003132.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 1499621045 is about 38724.9408650291. The cubic root of 1499621045 is about 1144.6178355040.

The spelling of 1499621045 in words is "one billion, four hundred ninety-nine million, six hundred twenty-one thousand, forty-five".