145532770 has 16 divisors (see below), whose sum is σ = 263719800. Its totient is φ = 57821824.

The previous prime is 145532741. The next prime is 145532789. The reversal of 145532770 is 77235541.

It can be written as a sum of positive squares in 4 ways, for example, as 116920969 + 28611801 = 10813^2 + 5349^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47347 + ... + 50326.

Almost surely, 2^145532770 is an apocalyptic number.

145532770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145532770 is a deficient number, since it is larger than the sum of its proper divisors (118187030).

145532770 is a wasteful number, since it uses less digits than its factorization.

145532770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97829.

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 145532770 is about 12063.6963655424. The cubic root of 145532770 is about 526.0014385018.

It can be divided in two parts, 1455 and 32770, that added together give a square (34225 = 185²).

The spelling of 145532770 in words is "one hundred forty-five million, five hundred thirty-two thousand, seven hundred seventy".