148553403 has 4 divisors (see below), whose sum is σ = 198071208. Its totient is φ = 99035600.

The previous prime is 148553401. The next prime is 148553407. The reversal of 148553403 is 304355841.

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

It is a cyclic number.

It is not a de Polignac number, because 148553403 - 2¹ = 148553401 is a prime.

It is a super-2 number, since 2×148553403² = 44136227085760818, 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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24758898 + ... + 24758903.

It is an arithmetic number, because the mean of its divisors is an integer number (49517802).

Almost surely, 2^148553403 is an apocalyptic number.

148553403 is a deficient number, since it is larger than the sum of its proper divisors (49517805).

148553403 is an equidigital number, since it uses as much as digits as its factorization.

148553403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49517804.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 148553403 is about 12188.2485616269. The cubic root of 148553403 is about 529.6157212070.

The spelling of 148553403 in words is "one hundred forty-eight million, five hundred fifty-three thousand, four hundred three".