145356254 has 8 divisors (see below), whose sum is σ = 223105080. Its totient is φ = 70987896.

The previous prime is 145356247. The next prime is 145356259. The reversal of 145356254 is 452653541.

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

It is a super-2 number, since 2×145356254² = 42256881153825032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145356259) 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, 845009 + ... + 845180.

It is an arithmetic number, because the mean of its divisors is an integer number (27888135).

Almost surely, 2^145356254 is an apocalyptic number.

145356254 is a deficient number, since it is larger than the sum of its proper divisors (77748826).

145356254 is a wasteful number, since it uses less digits than its factorization.

145356254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1690234.

The product of its digits is 72000, while the sum is 35.

The square root of 145356254 is about 12056.3781460271. The cubic root of 145356254 is about 525.7886909229.

The spelling of 145356254 in words is "one hundred forty-five million, three hundred fifty-six thousand, two hundred fifty-four".