148553402 has 4 divisors (see below), whose sum is σ = 222830106. Its totient is φ = 74276700.

The previous prime is 148553401. The next prime is 148553407. The reversal of 148553402 is 204355841.

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., 86285521 + 62267881 = 9289^2 + 7891^2 .

It is a super-2 number, since 2×148553402² = 44136226491547208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (148553401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37138349 + ... + 37138352.

Almost surely, 2^148553402 is an apocalyptic number.

148553402 is a deficient number, since it is larger than the sum of its proper divisors (74276704).

148553402 is an equidigital number, since it uses as much as digits as its factorization.

148553402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74276703.

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 148553402 is about 12188.2485206038. The cubic root of 148553402 is about 529.6157200186.

The spelling of 148553402 in words is "one hundred forty-eight million, five hundred fifty-three thousand, four hundred two".