630154 has 32 divisors (see below), whose sum is σ = 1198080. Its totient is φ = 242352.

The previous prime is 630151. The next prime is 630163. The reversal of 630154 is 451036.

630154 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (630151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6067 + ... + 6169.

It is an arithmetic number, because the mean of its divisors is an integer number (37440).

2⁶³⁰¹⁵⁴ is an apocalyptic number.

630154 is a deficient number, since it is larger than the sum of its proper divisors (567926).

630154 is a wasteful number, since it uses less digits than its factorization.

630154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 630154 is about 793.8223982731. The cubic root of 630154 is about 85.7331733509.

It can be divided in two parts, 630 and 154, that multiplied together give a triangular number (97020 = T₄₄₀).

The spelling of 630154 in words is "six hundred thirty thousand, one hundred fifty-four".