153070381 has 4 divisors (see below), whose sum is σ = 158348700. Its totient is φ = 147792064.

The previous prime is 153070373. The next prime is 153070387. The reversal of 153070381 is 183070351.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 183070351 = 6367 ⋅28753.

It can be written as a sum of positive squares in 2 ways, for example, as 62173225 + 90897156 = 7885^2 + 9534^2 .

It is a cyclic number.

It is not a de Polignac number, because 153070381 - 2³ = 153070373 is a prime.

It is a super-2 number, since 2×153070381² = 46861083078970322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153070387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2639116 + ... + 2639173.

It is an arithmetic number, because the mean of its divisors is an integer number (39587175).

Almost surely, 2^153070381 is an apocalyptic number.

It is an amenable number.

153070381 is a deficient number, since it is larger than the sum of its proper divisors (5278319).

153070381 is an equidigital number, since it uses as much as digits as its factorization.

153070381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5278318.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 153070381 is about 12372.1615330548. The cubic root of 153070381 is about 534.9301227629.

The spelling of 153070381 in words is "one hundred fifty-three million, seventy thousand, three hundred eighty-one".