149603401 has 8 divisors (see below), whose sum is σ = 151255808. Its totient is φ = 147960000.

The previous prime is 149603381. The next prime is 149603411. The reversal of 149603401 is 104306941.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 149603401 - 2⁷ = 149603273 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 149603401.

It is not an unprimeable number, because it can be changed into a prime (149603411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34336 + ... + 38446.

It is an arithmetic number, because the mean of its divisors is an integer number (18906976).

Almost surely, 2^149603401 is an apocalyptic number.

It is an amenable number.

149603401 is a deficient number, since it is larger than the sum of its proper divisors (1652407).

149603401 is a wasteful number, since it uses less digits than its factorization.

149603401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4503.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 149603401 is about 12231.2469110880. The cubic root of 149603401 is about 530.8605942481.

The spelling of 149603401 in words is "one hundred forty-nine million, six hundred three thousand, four hundred one".