148723631 has 8 divisors (see below), whose sum is σ = 170378880. Its totient is φ = 127170648.

The previous prime is 148723591. The next prime is 148723637. The reversal of 148723631 is 136327841.

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 148723631 - 2⁶ = 148723567 is a prime.

It is a super-2 number, since 2×148723631² = 44237436835648322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 148723591 and 148723600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148723637) 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, 22421 + ... + 28286.

It is an arithmetic number, because the mean of its divisors is an integer number (21297360).

Almost surely, 2^148723631 is an apocalyptic number.

148723631 is a deficient number, since it is larger than the sum of its proper divisors (21655249).

148723631 is an equidigital number, since it uses as much as digits as its factorization.

148723631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51133.

The product of its digits is 24192, while the sum is 35.

The square root of 148723631 is about 12195.2298461325. The cubic root of 148723631 is about 529.8179403160.

The spelling of 148723631 in words is "one hundred forty-eight million, seven hundred twenty-three thousand, six hundred thirty-one".