147405890 has 32 divisors (see below), whose sum is σ = 271482624. Its totient is φ = 57608640.

The previous prime is 147405889. The next prime is 147405893. The reversal of 147405890 is 98504741.

It is not an unprimeable number, because it can be changed into a prime (147405893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101147 + ... + 102593.

It is an arithmetic number, because the mean of its divisors is an integer number (8483832).

Almost surely, 2^147405890 is an apocalyptic number.

147405890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

147405890 is a deficient number, since it is larger than the sum of its proper divisors (124076734).

147405890 is a wasteful number, since it uses less digits than its factorization.

147405890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1682.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 147405890 is about 12141.0827359013. The cubic root of 147405890 is about 528.2485080000.

The spelling of 147405890 in words is "one hundred forty-seven million, four hundred five thousand, eight hundred ninety".