1409506545 has 32 divisors (see below), whose sum is σ = 2403993600. Its totient is φ = 703145664.

The previous prime is 1409506531. The next prime is 1409506561. The reversal of 1409506545 is 5456059041.

It is not a de Polignac number, because 1409506545 - 2⁴ = 1409506529 is a prime.

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, 8787 + ... + 53816.

It is an arithmetic number, because the mean of its divisors is an integer number (75124800).

Almost surely, 2^1409506545 is an apocalyptic number.

1409506545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1409506545 is a deficient number, since it is larger than the sum of its proper divisors (994487055).

1409506545 is a wasteful number, since it uses less digits than its factorization.

1409506545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62709.

The product of its (nonzero) digits is 108000, while the sum is 39.

The square root of 1409506545 is about 37543.3954910847. The cubic root of 1409506545 is about 1121.2153434005.

The spelling of 1409506545 in words is "one billion, four hundred nine million, five hundred six thousand, five hundred forty-five".