146372047 has 4 divisors (see below), whose sum is σ = 146406040. Its totient is φ = 146338056.

The previous prime is 146372027. The next prime is 146372089. The reversal of 146372047 is 740273641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 740273641 = 47 ⋅15750503.

It is a cyclic number.

It is not a de Polignac number, because 146372047 - 2⁷ = 146371919 is a prime.

It is a super-2 number, since 2×146372047² = 42849552285940418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146372027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9408 + ... + 19525.

It is an arithmetic number, because the mean of its divisors is an integer number (36601510).

Almost surely, 2^146372047 is an apocalyptic number.

146372047 is a deficient number, since it is larger than the sum of its proper divisors (33993).

146372047 is an equidigital number, since it uses as much as digits as its factorization.

146372047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33992.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 146372047 is about 12098.4315925660. The cubic root of 146372047 is about 527.0106384534.

The spelling of 146372047 in words is "one hundred forty-six million, three hundred seventy-two thousand, forty-seven".