147394457 has 8 divisors (see below), whose sum is σ = 177316800. Its totient is φ = 119688624.

The previous prime is 147394453. The next prime is 147394459. The reversal of 147394457 is 754493741.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 147394457 - 2² = 147394453 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147394453) 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 7 ways as a sum of consecutive naturals, for example, 553982 + ... + 554247.

It is an arithmetic number, because the mean of its divisors is an integer number (22164600).

Almost surely, 2^147394457 is an apocalyptic number.

It is an amenable number.

147394457 is a deficient number, since it is larger than the sum of its proper divisors (29922343).

147394457 is a wasteful number, since it uses less digits than its factorization.

147394457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108255.

The product of its digits is 423360, while the sum is 44.

The square root of 147394457 is about 12140.6118873803. The cubic root of 147394457 is about 528.2348504242.

The spelling of 147394457 in words is "one hundred forty-seven million, three hundred ninety-four thousand, four hundred fifty-seven".