145870533 has 12 divisors (see below), whose sum is σ = 210953548. Its totient is φ = 97130880.

The previous prime is 145870499. The next prime is 145870537. The reversal of 145870533 is 335078541.

145870533 is a `hidden beast` number, since 1 + 4 + 58 + 70 + 533 = 666.

145870533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 131262849 + 14607684 = 11457^2 + 3822^2 .

It is not a de Polignac number, because 145870533 - 2¹⁰ = 145869509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145870537) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1348 + ... + 17133.

Almost surely, 2^145870533 is an apocalyptic number.

It is an amenable number.

145870533 is a deficient number, since it is larger than the sum of its proper divisors (65083015).

145870533 is a wasteful number, since it uses less digits than its factorization.

145870533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19364 (or 19361 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 145870533 is about 12077.6874028102. The cubic root of 145870533 is about 526.4080515182.

The spelling of 145870533 in words is "one hundred forty-five million, eight hundred seventy thousand, five hundred thirty-three".