149653073 has 2 divisors, whose sum is σ = 149653074. Its totient is φ = 149653072.

The previous prime is 149653061. The next prime is 149653121. The reversal of 149653073 is 370356941.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104387089 + 45265984 = 10217^2 + 6728^2 .

It is a cyclic number.

It is not a de Polignac number, because 149653073 - 2⁸ = 149652817 is a prime.

It is not a weakly prime, because it can be changed into another prime (149653003) 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 as a sum of consecutive naturals, namely, 74826536 + 74826537.

It is an arithmetic number, because the mean of its divisors is an integer number (74826537).

Almost surely, 2^149653073 is an apocalyptic number.

It is an amenable number.

149653073 is a deficient number, since it is larger than the sum of its proper divisors (1).

149653073 is an equidigital number, since it uses as much as digits as its factorization.

149653073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 149653073 is about 12233.2772796173. The cubic root of 149653073 is about 530.9193406613.

The spelling of 149653073 in words is "one hundred forty-nine million, six hundred fifty-three thousand, seventy-three".