152445091 has 2 divisors, whose sum is σ = 152445092. Its totient is φ = 152445090.

The previous prime is 152445089. The next prime is 152445109. The reversal of 152445091 is 190544251.

Together with next prime (152445109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 152445091 - 2¹ = 152445089 is a prime.

Together with 152445089, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (152445031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76222545 + 76222546.

It is an arithmetic number, because the mean of its divisors is an integer number (76222546).

Almost surely, 2^152445091 is an apocalyptic number.

152445091 is a deficient number, since it is larger than the sum of its proper divisors (1).

152445091 is an equidigital number, since it uses as much as digits as its factorization.

152445091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 152445091 is about 12346.8656346459. The cubic root of 152445091 is about 534.2007350830.

The spelling of 152445091 in words is "one hundred fifty-two million, four hundred forty-five thousand, ninety-one".