1477664545 has 16 divisors (see below), whose sum is σ = 2028003840. Its totient is φ = 1012509504.

The previous prime is 1477664527. The next prime is 1477664557. The reversal of 1477664545 is 5454667741.

It is a cyclic number.

It is not a de Polignac number, because 1477664545 - 2¹¹ = 1477662497 is a prime.

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, 34971 + ... + 64639.

It is an arithmetic number, because the mean of its divisors is an integer number (126750240).

Almost surely, 2^1477664545 is an apocalyptic number.

It is an amenable number.

1477664545 is a deficient number, since it is larger than the sum of its proper divisors (550339295).

1477664545 is a wasteful number, since it uses less digits than its factorization.

1477664545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31104.

The product of its digits is 2822400, while the sum is 49.

The square root of 1477664545 is about 38440.4025082985. The cubic root of 1477664545 is about 1139.0040920078.

The spelling of 1477664545 in words is "one billion, four hundred seventy-seven million, six hundred sixty-four thousand, five hundred forty-five".