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145151074 = 2371961501
BaseRepresentation
bin10001010011011…
…01010001100010
3101010010102211201
420221231101202
5244124313244
622223031414
73411522655
oct1051552142
9333112751
10145151074
1174a30172
124073b56a
13240c1b13
14153c589c
15cb22ad4
hex8a6d462

145151074 has 8 divisors (see below), whose sum is σ = 223611228. Its totient is φ = 70614000.

The previous prime is 145151063. The next prime is 145151077. The reversal of 145151074 is 470151541.

It can be written as a sum of positive squares in 2 ways, for example, as 142922025 + 2229049 = 11955^2 + 1493^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (145151077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 980677 + ... + 980824.

Almost surely, 2145151074 is an apocalyptic number.

145151074 is a deficient number, since it is larger than the sum of its proper divisors (78460154).

145151074 is a wasteful number, since it uses less digits than its factorization.

145151074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1961540.

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 145151074 is about 12047.8659521095. The cubic root of 145151074 is about 525.5411792151.

It can be divided in two parts, 1451 and 51074, that added together give a palindrome (52525).

The spelling of 145151074 in words is "one hundred forty-five million, one hundred fifty-one thousand, seventy-four".

Divisors: 1 2 37 74 1961501 3923002 72575537 145151074