149644453398 has 32 divisors (see below), whose sum is σ = 326539624320. Its totient is φ = 45340882560.

The previous prime is 149644453393. The next prime is 149644453403. The reversal of 149644453398 is 893354446941.

149644453398 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (149644453393) and next prime (149644453403).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149644453391) 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, 375118 + ... + 663326.

It is an arithmetic number, because the mean of its divisors is an integer number (10204363260).

Almost surely, 2^149644453398 is an apocalyptic number.

149644453398 is an abundant number, since it is smaller than the sum of its proper divisors (176895170922).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149644453398 is a wasteful number, since it uses less digits than its factorization.

149644453398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296092.

The product of its digits is 44789760, while the sum is 60.

The spelling of 149644453398 in words is "one hundred forty-nine billion, six hundred forty-four million, four hundred fifty-three thousand, three hundred ninety-eight".