146402897 has 4 divisors (see below), whose sum is σ = 146428656. Its totient is φ = 146377140.

The previous prime is 146402891. The next prime is 146402903. The reversal of 146402897 is 798204641.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 798204641 = 13 ⋅61400357.

It is an interprime number because it is at equal distance from previous prime (146402891) and next prime (146402903).

It is a cyclic number.

It is not a de Polignac number, because 146402897 - 2¹² = 146398801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146402891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179 + ... + 17112.

It is an arithmetic number, because the mean of its divisors is an integer number (36607164).

Almost surely, 2^146402897 is an apocalyptic number.

It is an amenable number.

146402897 is a deficient number, since it is larger than the sum of its proper divisors (25759).

146402897 is an equidigital number, since it uses as much as digits as its factorization.

146402897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25758.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 146402897 is about 12099.7064840433. The cubic root of 146402897 is about 527.0476608595.

The spelling of 146402897 in words is "one hundred forty-six million, four hundred two thousand, eight hundred ninety-seven".