145129190 has 8 divisors (see below), whose sum is σ = 261232560. Its totient is φ = 58051672.

The previous prime is 145129189. The next prime is 145129199. The reversal of 145129190 is 91921541.

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

It is a super-2 number, since 2×145129190² = 42124963580112200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145129199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7256450 + ... + 7256469.

It is an arithmetic number, because the mean of its divisors is an integer number (32654070).

Almost surely, 2^145129190 is an apocalyptic number.

145129190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145129190 is a deficient number, since it is larger than the sum of its proper divisors (116103370).

145129190 is a wasteful number, since it uses less digits than its factorization.

145129190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14512926.

The product of its (nonzero) digits is 3240, while the sum is 32.

The square root of 145129190 is about 12046.9577072388. The cubic root of 145129190 is about 525.5147664556.

The spelling of 145129190 in words is "one hundred forty-five million, one hundred twenty-nine thousand, one hundred ninety".