149897002 has 8 divisors (see below), whose sum is σ = 225000000. Its totient is φ = 74897004.

The previous prime is 149896987. The next prime is 149897009. The reversal of 149897002 is 200798941.

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

It is a super-2 number, since 2×149897002² = 44938222417176008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (149897009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22002 + ... + 27997.

It is an arithmetic number, because the mean of its divisors is an integer number (28125000).

Almost surely, 2^149897002 is an apocalyptic number.

149897002 is a deficient number, since it is larger than the sum of its proper divisors (75102998).

149897002 is a wasteful number, since it uses less digits than its factorization.

149897002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51500.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 149897002 is about 12243.2431161029. The cubic root of 149897002 is about 531.2076437372.

The spelling of 149897002 in words is "one hundred forty-nine million, eight hundred ninety-seven thousand, two".