145654194 has 32 divisors (see below), whose sum is σ = 333371520. Its totient is φ = 41559552.

The previous prime is 145654121. The next prime is 145654231. The reversal of 145654194 is 491456541.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37152 + ... + 40884.

It is an arithmetic number, because the mean of its divisors is an integer number (10417860).

Almost surely, 2^145654194 is an apocalyptic number.

145654194 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

145654194 is an abundant number, since it is smaller than the sum of its proper divisors (187717326).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145654194 is a wasteful number, since it uses less digits than its factorization.

145654194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4674.

The product of its digits is 86400, while the sum is 39.

The square root of 145654194 is about 12068.7279362823. The cubic root of 145654194 is about 526.1476860765.

The spelling of 145654194 in words is "one hundred forty-five million, six hundred fifty-four thousand, one hundred ninety-four".