145273634 has 16 divisors (see below), whose sum is σ = 239150016. Its totient is φ = 65636400.

The previous prime is 145273631. The next prime is 145273637. The reversal of 145273634 is 436372541.

It is an interprime number because it is at equal distance from previous prime (145273631) and next prime (145273637).

It is a super-2 number, since 2×145273634² = 42208857471131912, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145273594 and 145273603.

It is not an unprimeable number, because it can be changed into a prime (145273631) 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, 16097 + ... + 23444.

It is an arithmetic number, because the mean of its divisors is an integer number (14946876).

Almost surely, 2^145273634 is an apocalyptic number.

145273634 is a deficient number, since it is larger than the sum of its proper divisors (93876382).

145273634 is a wasteful number, since it uses less digits than its factorization.

145273634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39721.

The product of its digits is 60480, while the sum is 35.

The square root of 145273634 is about 12052.9512568499. The cubic root of 145273634 is about 525.6890532085.

The spelling of 145273634 in words is "one hundred forty-five million, two hundred seventy-three thousand, six hundred thirty-four".