149025601 has 8 divisors (see below), whose sum is σ = 150796800. Its totient is φ = 147260400.

The previous prime is 149025599. The next prime is 149025619. The reversal of 149025601 is 106520941.

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 149025601 - 2¹ = 149025599 is a prime.

It is a super-2 number, since 2×149025601² = 44417259506822402, which contains 22 as substring.

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 149025601.

It is not an unprimeable number, because it can be changed into a prime (149025691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65440 + ... + 67678.

It is an arithmetic number, because the mean of its divisors is an integer number (18849600).

Almost surely, 2^149025601 is an apocalyptic number.

It is an amenable number.

149025601 is a deficient number, since it is larger than the sum of its proper divisors (1771199).

149025601 is a wasteful number, since it uses less digits than its factorization.

149025601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2999.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 149025601 is about 12207.6042285127. The cubic root of 149025601 is about 530.1762805097.

It can be divided in two parts, 14902 and 5601, that added together give a triangular number (20503 = T₂₀₂).

The spelling of 149025601 in words is "one hundred forty-nine million, twenty-five thousand, six hundred one".