148972532 has 6 divisors (see below), whose sum is σ = 260701938. Its totient is φ = 74486264.

The previous prime is 148972531. The next prime is 148972543. The reversal of 148972532 is 235279841.

148972532 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 135163876 + 13808656 = 11626^2 + 3716^2 .

148972532 is strictly pandigital in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 148972532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148972531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18621563 + ... + 18621570.

It is an arithmetic number, because the mean of its divisors is an integer number (43450323).

Almost surely, 2^148972532 is an apocalyptic number.

It is an amenable number.

148972532 is a deficient number, since it is larger than the sum of its proper divisors (111729406).

148972532 is a wasteful number, since it uses less digits than its factorization.

148972532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37243137 (or 37243135 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The square root of 148972532 is about 12205.4304307550. The cubic root of 148972532 is about 530.1133399472.

The spelling of 148972532 in words is "one hundred forty-eight million, nine hundred seventy-two thousand, five hundred thirty-two".