148725631 has 8 divisors (see below), whose sum is σ = 155046528. Its totient is φ = 142500000.

The previous prime is 148725611. The next prime is 148725641. The reversal of 148725631 is 136527841.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 148725631 - 2⁹ = 148725119 is a prime.

It is a super-2 number, since 2×148725631² = 44238626632696322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148725611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20620 + ... + 26881.

It is an arithmetic number, because the mean of its divisors is an integer number (19380816).

Almost surely, 2^148725631 is an apocalyptic number.

148725631 is a deficient number, since it is larger than the sum of its proper divisors (6320897).

148725631 is a wasteful number, since it uses less digits than its factorization.

148725631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47633.

The product of its digits is 40320, while the sum is 37.

The square root of 148725631 is about 12195.3118451313. The cubic root of 148725631 is about 529.8203152606.

It can be divided in two parts, 14872 and 5631, that added together give a triangular number (20503 = T₂₀₂).

The spelling of 148725631 in words is "one hundred forty-eight million, seven hundred twenty-five thousand, six hundred thirty-one".