402153145 has 32 divisors (see below), whose sum is σ = 521020800. Its totient is φ = 297063936.

The previous prime is 402153119. The next prime is 402153149. The reversal of 402153145 is 541351204.

It is a happy number.

It is not a de Polignac number, because 402153145 - 2¹¹ = 402151097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (402153149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 879757 + ... + 880213.

It is an arithmetic number, because the mean of its divisors is an integer number (16281900).

Almost surely, 2^402153145 is an apocalyptic number.

It is an amenable number.

402153145 is a deficient number, since it is larger than the sum of its proper divisors (118867655).

402153145 is a wasteful number, since it uses less digits than its factorization.

402153145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 402153145 is about 20053.7563812868. The cubic root of 402153145 is about 738.1259770060.

The spelling of 402153145 in words is "four hundred two million, one hundred fifty-three thousand, one hundred forty-five".