1545145074 has 36 divisors (see below), whose sum is σ = 3679834158. Its totient is φ = 468225120.

The previous prime is 1545145073. The next prime is 1545145117. The reversal of 1545145074 is 4705415451.

1545145074 is a `hidden beast` number, since 1 + 545 + 1 + 45 + 0 + 74 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1529201025 + 15944049 = 39105^2 + 3993^2 .

It is not an unprimeable number, because it can be changed into a prime (1545145073) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 352539 + ... + 356894.

Almost surely, 2^1545145074 is an apocalyptic number.

1545145074 is an abundant number, since it is smaller than the sum of its proper divisors (2134689084).

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

1545145074 is a wasteful number, since it uses less digits than its factorization.

1545145074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709463 (or 709449 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 36.

The square root of 1545145074 is about 39308.3333912798. Note that the first 4 decimals coincide. The cubic root of 1545145074 is about 1156.0849668952.

The spelling of 1545145074 in words is "one billion, five hundred forty-five million, one hundred forty-five thousand, seventy-four".