149288801 has 2 divisors, whose sum is σ = 149288802. Its totient is φ = 149288800.

The previous prime is 149288753. The next prime is 149288803. The reversal of 149288801 is 108882941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99600400 + 49688401 = 9980^2 + 7049^2 .

It is an emirp because it is prime and its reverse (108882941) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149288801 is a prime.

It is a super-2 number, since 2×149288801² = 44574292208035202, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 149288803, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (149288803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74644400 + 74644401.

It is an arithmetic number, because the mean of its divisors is an integer number (74644401).

Almost surely, 2^149288801 is an apocalyptic number.

It is an amenable number.

149288801 is a deficient number, since it is larger than the sum of its proper divisors (1).

149288801 is an equidigital number, since it uses as much as digits as its factorization.

149288801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36864, while the sum is 41.

The square root of 149288801 is about 12218.3796388883. The cubic root of 149288801 is about 530.4882186961.

The spelling of 149288801 in words is "one hundred forty-nine million, two hundred eighty-eight thousand, eight hundred one".