149070451 has 4 divisors (see below), whose sum is σ = 149142600. Its totient is φ = 148998304.

The previous prime is 149070437. The next prime is 149070457. The reversal of 149070451 is 154070941.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 149070451 - 2¹³ = 149062259 is a prime.

It is a super-2 number, since 2×149070451² = 44443998722686802, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149070457) 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 3 ways as a sum of consecutive naturals, for example, 32881 + ... + 37138.

It is an arithmetic number, because the mean of its divisors is an integer number (37285650).

Almost surely, 2^149070451 is an apocalyptic number.

149070451 is a deficient number, since it is larger than the sum of its proper divisors (72149).

149070451 is an equidigital number, since it uses as much as digits as its factorization.

149070451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72148.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 149070451 is about 12209.4410600977. The cubic root of 149070451 is about 530.2294615762.

The spelling of 149070451 in words is "one hundred forty-nine million, seventy thousand, four hundred fifty-one".