1490736945 has 32 divisors (see below), whose sum is σ = 2422877184. Its totient is φ = 782532800.

The previous prime is 1490736911. The next prime is 1490736983. The reversal of 1490736945 is 5496370941.

It is not a de Polignac number, because 1490736945 - 2¹³ = 1490728753 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1490736894 and 1490736903.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1161274 + ... + 1162556.

It is an arithmetic number, because the mean of its divisors is an integer number (75714912).

Almost surely, 2^1490736945 is an apocalyptic number.

1490736945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1490736945 is a deficient number, since it is larger than the sum of its proper divisors (932140239).

1490736945 is a wasteful number, since it uses less digits than its factorization.

1490736945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2453.

The product of its (nonzero) digits is 816480, while the sum is 48.

The square root of 1490736945 is about 38610.0627427618. The cubic root of 1490736945 is about 1142.3530307464.

The spelling of 1490736945 in words is "one billion, four hundred ninety million, seven hundred thirty-six thousand, nine hundred forty-five".