148225731 has 8 divisors (see below), whose sum is σ = 206227200. Its totient is φ = 94520712.

The previous prime is 148225711. The next prime is 148225739. The reversal of 148225731 is 137522841.

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

It is not a de Polignac number, because 148225731 - 2¹⁰ = 148224707 is a prime.

It is a super-2 number, since 2×148225731² = 43941734660968722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 148225692 and 148225701.

It is not an unprimeable number, because it can be changed into a prime (148225739) 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, 1074031 + ... + 1074168.

It is an arithmetic number, because the mean of its divisors is an integer number (25778400).

Almost surely, 2^148225731 is an apocalyptic number.

148225731 is a deficient number, since it is larger than the sum of its proper divisors (58001469).

148225731 is a wasteful number, since it uses less digits than its factorization.

148225731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2148225.

The product of its digits is 13440, while the sum is 33.

The square root of 148225731 is about 12174.7990127147. The cubic root of 148225731 is about 529.2260341960.

The spelling of 148225731 in words is "one hundred forty-eight million, two hundred twenty-five thousand, seven hundred thirty-one".