148920988 has 6 divisors (see below), whose sum is σ = 260611736. Its totient is φ = 74460492.

The previous prime is 148920983. The next prime is 148921001. The reversal of 148920988 is 889029841.

It is a super-2 number, since 2×148920988² = 44354921333792288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148920983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18615120 + ... + 18615127.

Almost surely, 2^148920988 is an apocalyptic number.

It is an amenable number.

148920988 is a deficient number, since it is larger than the sum of its proper divisors (111690748).

148920988 is a wasteful number, since it uses less digits than its factorization.

148920988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37230251 (or 37230249 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 49.

The square root of 148920988 is about 12203.3187289360. The cubic root of 148920988 is about 530.0521937444.

The spelling of 148920988 in words is "one hundred forty-eight million, nine hundred twenty thousand, nine hundred eighty-eight".