148513922 has 4 divisors (see below), whose sum is σ = 222770886. Its totient is φ = 74256960.

The previous prime is 148513919. The next prime is 148513943. The reversal of 148513922 is 229315841.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 105493441 + 43020481 = 10271^2 + 6559^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37128479 + ... + 37128482.

Almost surely, 2^148513922 is an apocalyptic number.

148513922 is a deficient number, since it is larger than the sum of its proper divisors (74256964).

148513922 is an equidigital number, since it uses as much as digits as its factorization.

148513922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74256963.

The product of its digits is 17280, while the sum is 35.

The square root of 148513922 is about 12186.6288201455. The cubic root of 148513922 is about 529.5687984382.

The spelling of 148513922 in words is "one hundred forty-eight million, five hundred thirteen thousand, nine hundred twenty-two".