149190641 has 8 divisors (see below), whose sum is σ = 157560480. Its totient is φ = 140872608.

The previous prime is 149190617. The next prime is 149190647. The reversal of 149190641 is 146091941.

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 149190641 - 2¹⁸ = 148928497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149190647) 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, 6956 + ... + 18621.

It is an arithmetic number, because the mean of its divisors is an integer number (19695060).

Almost surely, 2^149190641 is an apocalyptic number.

It is an amenable number.

149190641 is a deficient number, since it is larger than the sum of its proper divisors (8369839).

149190641 is a wasteful number, since it uses less digits than its factorization.

149190641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25903.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 149190641 is about 12214.3620791264. The cubic root of 149190641 is about 530.3719247739.

The spelling of 149190641 in words is "one hundred forty-nine million, one hundred ninety thousand, six hundred forty-one".