145151970 has 16 divisors (see below), whose sum is σ = 348364800. Its totient is φ = 38707184.

The previous prime is 145151953. The next prime is 145151971. The reversal of 145151970 is 79151541.

It is not an unprimeable number, because it can be changed into a prime (145151971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2419170 + ... + 2419229.

It is an arithmetic number, because the mean of its divisors is an integer number (21772800).

Almost surely, 2^145151970 is an apocalyptic number.

145151970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145151970 is an abundant number, since it is smaller than the sum of its proper divisors (203212830).

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

145151970 is a wasteful number, since it uses less digits than its factorization.

145151970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4838409.

The product of its (nonzero) digits is 6300, while the sum is 33.

The square root of 145151970 is about 12047.9031370608. The cubic root of 145151970 is about 525.5422605802.

The spelling of 145151970 in words is "one hundred forty-five million, one hundred fifty-one thousand, nine hundred seventy".