145426190 has 96 divisors (see below), whose sum is σ = 341521920. Its totient is φ = 43535232.

The previous prime is 145426189. The next prime is 145426201. The reversal of 145426190 is 91624541.

It is a super-2 number, since 2×145426190² = 42297553475832200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 224447 + ... + 225093.

It is an arithmetic number, because the mean of its divisors is an integer number (3557520).

Almost surely, 2^145426190 is an apocalyptic number.

145426190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145426190 is an abundant number, since it is smaller than the sum of its proper divisors (196095730).

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

145426190 is a wasteful number, since it uses less digits than its factorization.

145426190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706 (or 693 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 145426190 is about 12059.2781707696. The cubic root of 145426190 is about 525.8730025391.

The spelling of 145426190 in words is "one hundred forty-five million, four hundred twenty-six thousand, one hundred ninety".