145270734 has 16 divisors (see below), whose sum is σ = 332047488. Its totient is φ = 41505912.

The previous prime is 145270717. The next prime is 145270739. The reversal of 145270734 is 437072541.

145270734 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×145270734² = 42207172313797512, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145270695 and 145270704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145270739) 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, 1729372 + ... + 1729455.

It is an arithmetic number, because the mean of its divisors is an integer number (20752968).

Almost surely, 2^145270734 is an apocalyptic number.

145270734 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

145270734 is an abundant number, since it is smaller than the sum of its proper divisors (186776754).

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

145270734 is a wasteful number, since it uses less digits than its factorization.

145270734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3458839.

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 145270734 is about 12052.8309537635. The cubic root of 145270734 is about 525.6855551927.

The spelling of 145270734 in words is "one hundred forty-five million, two hundred seventy thousand, seven hundred thirty-four".