148697520 has 40 divisors (see below), whose sum is σ = 460963056. Its totient is φ = 39652608.

The previous prime is 148697467. The next prime is 148697533. The reversal of 148697520 is 25796841.

148697520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×148697520² = 44221904908300800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309547 + ... + 310026.

Almost surely, 2^148697520 is an apocalyptic number.

148697520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

148697520 is an abundant number, since it is smaller than the sum of its proper divisors (312265536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

148697520 is a wasteful number, since it uses less digits than its factorization.

148697520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619589 (or 619583 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 148697520 is about 12194.1592576118. The cubic root of 148697520 is about 529.7869322737.

The spelling of 148697520 in words is "one hundred forty-eight million, six hundred ninety-seven thousand, five hundred twenty".