145426212 has 24 divisors (see below), whose sum is σ = 377031200. Its totient is φ = 48475368.

The previous prime is 145426201. The next prime is 145426219. The reversal of 145426212 is 212624541.

It is a super-2 number, since 2×145426212² = 42297566273337888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (145426219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 673162 + ... + 673377.

Almost surely, 2^145426212 is an apocalyptic number.

145426212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145426212 is an abundant number, since it is smaller than the sum of its proper divisors (231604988).

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

145426212 is a wasteful number, since it uses less digits than its factorization.

145426212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1346552 (or 1346544 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 145426212 is about 12059.2790829303. The cubic root of 145426212 is about 525.8730290570.

The spelling of 145426212 in words is "one hundred forty-five million, four hundred twenty-six thousand, two hundred twelve".