145269470 has 8 divisors (see below), whose sum is σ = 261485064. Its totient is φ = 58107784.

The previous prime is 145269469. The next prime is 145269521. The reversal of 145269470 is 74962541.

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

It is a super-2 number, since 2×145269470² = 42206437828161800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7263464 + ... + 7263483.

It is an arithmetic number, because the mean of its divisors is an integer number (32685633).

Almost surely, 2^145269470 is an apocalyptic number.

145269470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145269470 is a deficient number, since it is larger than the sum of its proper divisors (116215594).

145269470 is a wasteful number, since it uses less digits than its factorization.

145269470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14526954.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 145269470 is about 12052.7785178356. The cubic root of 145269470 is about 525.6840305257.

The spelling of 145269470 in words is "one hundred forty-five million, two hundred sixty-nine thousand, four hundred seventy".